Home / 8,154.24-12,231.88-3,471.60

Finding the Fourth Proportional to 8,154.24, 12,231.88 and 3,471.60

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Solution

The fourth proportional to 8,154.24, 12,231.88 and 3,471.60 is: 5,207.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,154.24 : 12,231.88 = 3,471.60 : x
  2. Step 2: Convert to fraction form
    8,154.24/12,231.88 = 3,471.60/x
  3. Step 3: Cross multiply
    8,154.24x = 12,231.88 × 3,471.60
  4. Step 4: Simplify right side
    8,154.24x = 42,464,194.61
  5. Step 5: Solve for x
    x = 42,464,194.61/8,154.24
  6. Step 6: Final answer
    x = 5,207.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.